Astronomers have constructed telescopes of every kind - massive observatories designed to pick up faint traces of light across space.

Galileo and the Telescope. By David Levin; Posted 05.19.11; NOVA; Galileo's observations of the night sky in the early 1600s confirmed a new model of the universe, in which the Earth orbited the ...

Galileo’s telescope (right) uses lenses to magnify about 21 times but gives very restricted views so that he was able to see only about a third of the Moon at once. SSPL via Getty Images.

Galileo's Telescope Travels Far, Sees Farther Instruments of revolution can appear deceivingly simple. With a bit of wood, copper wire and paper, ...

Remembering Galileo’s telescope. Just 400 years ago Galileo showed off his newly-designed telescope, forever changing not just his own life but all of science.

Since Galileo first observed them through his telescope in the early 1600s, sunspots have fascinated scientists.

Visiting Google today, you might notice a telescope as the Google logo. If you click on the logo, you are taken to a search result on Google for Galileo’s telescope. 400 year ago today, in the ...

Today is Galileo’s 456th birth anniversary. His iconoclastic reputation overshadows his basic raison d’etre at the time – to make a buck. He was a struggling teacher who worked in the ‘gig economy’ of ...

Galileo proved this theory, and he did so by taking a new invention, the telescope, and vastly improving its powers of magnification so that he could observe the heavens with accuracy.

One of Galileo’s two remaining telescopes has come to The Franklin in Philadelphia. It’s the first time the artifact has traveled overseas from its home in Florence, Italy. The exhibit – Galileo, the ...